Since the hwspinlock core has changed the PM runtime to be optional, thus
remove the redundant PM runtime implementation in the u8500 HWSEM driver.
Signed-off-by: Baolin Wang <baolin.w...@linaro.org>
---
drivers/hwspinlock/u8500_hsem.c | 19 ++++---------------
1 file changed, 4 insertions(+), 15 deletions(-)
diff --git a/drivers/hwspinlock/u8500_hsem.c b/drivers/hwspinlock/u8500_hsem.c
index b31141a..67845c0 100644
--- a/drivers/hwspinlock/u8500_hsem.c
+++ b/drivers/hwspinlock/u8500_hsem.c
@@ -16,7 +16,6 @@
#include <linux/module.h>
#include <linux/delay.h>
#include <linux/io.h>
-#include <linux/pm_runtime.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
#include <linux/hwspinlock.h>
@@ -89,7 +88,7 @@ static int u8500_hsem_probe(struct platform_device *pdev)
struct hwspinlock_device *bank;
struct hwspinlock *hwlock;
void __iomem *io_base;
- int i, ret, num_locks = U8500_MAX_SEMAPHORE;
+ int i, num_locks = U8500_MAX_SEMAPHORE;
ulong val;
if (!pdata)
@@ -116,17 +115,9 @@ static int u8500_hsem_probe(struct platform_device *pdev)
for (i = 0, hwlock = &bank->lock[0]; i < num_locks; i++, hwlock++)
hwlock->priv = io_base + HSEM_REGISTER_OFFSET + sizeof(u32) * i;
- /* no pm needed for HSem but required to comply with hwspilock core */
- pm_runtime_enable(&pdev->dev);
-
- ret = devm_hwspin_lock_register(&pdev->dev, bank, &u8500_hwspinlock_ops,
- pdata->base_id, num_locks);
- if (ret) {
- pm_runtime_disable(&pdev->dev);
- return ret;
- }
-
- return 0;
+ return devm_hwspin_lock_register(&pdev->dev, bank,
+ &u8500_hwspinlock_ops,
+ pdata->base_id, num_locks);
}
static int u8500_hsem_remove(struct platform_device *pdev)
@@ -137,8 +128,6 @@ static int u8500_hsem_remove(struct platform_device *pdev)
/* clear all interrupts */
writel(0xFFFF, io_base + HSEM_ICRALL);
- pm_runtime_disable(&pdev->dev);
-
return 0;
}
--
1.7.9.5
